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Astell & Kern AK380 Flagship Portable Hi-Res Music Player

Now available in Black or Graphite

Representing the pinnacle of  audiophile perfection in a portable player the Astell & Kern AK380 is as good as it gets! The AK380 is a triumph of design, functionality and performance - produced by Astell&Kern is to keep the sound quality as close as possible to the original for audiophiles who demand the very best.

The AK380 is the first portable hi-res audio player from Astell & Kern supporting native playback of 32-bit/384 kHz PCM high resolution audio files.  The new AK380 features two AKM AK4490 DAC chipsets, creating a true Dual-Mono setup that gives clear channel separation, broader dynamic range and wider soundstage.  The AK380 can playback up to 32-bit/384kHz PCM and single-rate and double-rate DSD high resolution audio natively, without conversion.

New to the Astell & Kern portable player line is the ability of the AK380 to add features and functionality with the addition of separate docking stations.  Utilizing the micro USB jack and new 4-pin balanced out jacks on the bottom of the player, the AK380 slots into the expansion docks, providing a high quality connection without adding additional bulk to the player.  Some of the expansion docks and accessories that will be available later for the AK380 include:

AK380 AMP – A portable amp that provides the AK380 with greater power output to drive a wide variety of inefficient headphones and IEMs without the need for added cables and another device to carry.

AK380 Cradle – A docking cradle that provides a convenient and secure place to put your AK380 while charging via USB or using the player as a USB DAC.  The new AK380 cradle also features balanced outs to use the AK380 as a high-res source for a 2-channel system.

AK380 CD-ROM – An external CD-ROM drive that allows users to rip music from discs directly to the AK380, without the need for a computer.

Henry Park, CEO of iriver, parent company of Astell&Kern, said “The AK380 is a true flagship product for Astell & Kern.  We wanted to give users a portable hi-res player that supports the highest quality sound, while providing users options to customize and expand the player to meet their individual needs.  With the AK380, we expand our lineup to add a new demographic of high-end audiophile power users.”

The AK380 has built-in DLNA 1.0 support, allowing users to wirelessly stream music from any DLNA compatible NAS or device on your network.  With the AK Connect app for iOS and Android-based smartphones and tablets (coming soon), you can control playback on the device and stream music located on your device directly to the AK380.

Other features include a 4-inch high-resolution TFT-LCD screen, 256GB of internal memory with one microSD card slot supporting up to 128GB microSD card for a total of 384GB of storage and Bluetooth 4.0 support.  The AK380 offers finer EQ settings over previous Astell&Kern models using a Parametric EQ capable of 0.1dB increments over 20 bands.  Previous models offered EQ settings of 0.5dB increments over 10 bands.

Like the Astell & Kern AK240, the new AK380 features a duralumin, aircraft grade aluminum body, unbalanced and balanced analog outputs that allows the user to use virtually any headphone or earbud on the market; Wi-Fi connectivity to download music wirelessly to the player from a computer or network storage device and provides the ability to wirelessly stream music to the player without downloading music to the player first and the ability to use the AK380 as a USB DAC, allowing the owner to connect the player to their computer to bypass their internal sound card and get high resolution sound from their PC or Mac desktop or laptop.


Meteoric Titan
Aircraft Grade Duralumin
4inch WVGA (480 x 800) Touchscreen
WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample)
/ DSD Native: DSD64(1bit 2.8MHz), Stereo/ DSD128(1bit 5.6MHz), Stereo
Unbalance 2.2Vrms / Balance 2.3Vrms (Condition No Load)
AKM AK4490 x2 (Dual DAC)
Support up to 32bit / 384kHz Bit to Bit Decoding
USB Micro-B input (for charging & data transfer (PC & MAC)) 
/ Connection Mode : MTP (Media Device)
PHONES (3.5mm) / Optical Out (3.5mm) / Balanced Out (2.5mm, only 4-pole supported)
802.11 b/g/n (2.4GHz)
V4.0 (A2DP, AVRCP)
3.14 ”(79.8 mm) [W] x 4.42 ”(112.4 mm) [H] x 0.70 ”(17.9 mm) [D]
8.11 oz (230 g)
Firmware upgrades supported (OTA)


Audio Performance

Frequency Response
Signal to Noise Ratio
Output Impedance

±0.053dB (Condition: 20Hz~20kHz) Unbalance & Balance
±0.56dB (Condition: 10Hz~70kHz) Unbalance / ±0.55dB (Condition: 10Hz~70kHz) Balance
116dB @ 1kHz, Unbalance / 117dB @ 1kHz, Balance
130dB @ 1kHz, Unbalance / 135dB @ 1kHz, Balance
0.0008% @ 1kHz, Unbalance / 0.0007% @ 1kHz, Balance
0.0007% 800Hz 10kHz(4:1) Unbalance / 0.0006% 800Hz 10kHz(4:1) Balance
Balanced out 2.5mm (1ohm) / PHONES 3.5mm (2ohm)


Clock source

Clock Jitter
Reference Clock Jitter

200 Femto Seconds




3,400mAh 3.7V Li-Polymer Battery



Built-in Memory
External Memory

256GB [NAND]
microSD (Max 128GB) x1



Supported OS

Windows XP, Windows 7,8 (32/64bit), MAC OS X 10.7 and up

Average Rating (2 Reviews):  
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Wonderful Equipment
Saturday, 10 September 2016  | 

This Item is for experiences on a new level, great!

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It is the best and future proof!
Wednesday, 30 December 2015  | 

This player is the best sounding I've heard!
With latest update it plays native dsd 256 files!
If you want the ultimate then this is the player!
It even plays files I've not found on any site yet! 32bit 358khz and with a possible firmware update release 32bit 768kHz with the DAC in this beauty.

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2 of 2 people found this review helpful.

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